DR. SARAH AMBER MARTIN D.O.
NPI 1447457940
Emergency Medicine in Milwaukee, WI
About Dr. Sarah Amber Martin D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH AMBER MARTIN D.O. (NPI 1447457940) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (55759) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Fort Memorial Hospital, and maintains a secondary practice location in Mequon.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sarah Amber Martin D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Sarah Martin reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 67 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 103 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Fort Memorial Hospital
Acute Care Hospitals · Fort Atkinson, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIFroedtert Community Hospital
Acute Care Hospitals · New Berlin, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sarah Martin's NPI number?
The NPI number for Sarah Martin is 1447457940. It was assigned to this individual provider in the NPPES registry on June 28, 2007.
Where is Sarah Martin located?
Sarah Martin practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 955-6450.
What is Sarah Martin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sarah Martin enrolled in Medicare?
Yes. Sarah Martin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sarah Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Martin reassigns Medicare benefits to 6 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Emergency Medicine Specialists, S.C. (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), Swea Fort Sc (Fort Atkinson, WI), Dean Health Systems, Inc (Madison, WI) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Martin accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Sarah Martin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sarah Martin affiliated with any hospitals?
According to CMS data, Sarah Martin is affiliated with Fort Memorial Hospital, Ascension SE Wisconsin Hospital and Froedtert Community Hospital.
When was this NPI record last updated?
The NPPES record for Sarah Martin was last updated on January 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Sarah Amber Martin, D.O. · NPI 1447457940
Emergency Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since June 28, 2007.
## Identity
- **NPI:** 1447457940 (Entity type: Individual)
- **Enumerated:** June 28, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 55759 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Milwaukee, WI 53226-3522
- **Phone:** (414) 955-6450 · **Fax:** (414) 955-0082
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Emergency Medicine Specialists, S.C. (NPI 1568413524, Milwaukee, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); Swea Fort Sc (NPI 1295552065, Fort Atkinson, WI); Dean Health Systems, Inc (NPI 1053358846, Madison, WI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2007
## Record status
- **NPPES last updated:** January 17, 2024
- **Other identifiers:** Other BRONSON AND BORGESS (MI); Medicaid BRONSON HOSPITAL (MI); Medicaid 1447457940 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1447457940) · Data from the CMS NPPES public registry.